Period
to 23 February 2018

The following table provides summary statistics for contract job vacancies advertised in Essex with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 23 February 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
6 months to
23 Feb 2018
Same period 2017 Same period 2016
Rank 3 8 23
Rank change year-on-year +5 +15 +5
Contract jobs citing TDD 160 129 67
As % of all contract IT jobs advertised in Essex 24.65% 16.10% 6.42%
As % of the Processes & Methodologies category 29.57% 18.48% 7.94%
Number of daily rates quoted 136 95 48
Essex median daily rate £513 £463 £500
Median daily rate % change year-on-year +10.81% -7.50% +17.65%
10th Percentile £403 £263 £325
90th Percentile £600 £575 £600
East of England median daily rate £485 £475 £425
% change year-on-year +2.11% +11.76% +5.92%
Number of hourly rates quoted 11 9 8
Essex median hourly rate £62.50 £37.00 £36.98
Median hourly rate % change year-on-year +68.92% +0.07% +2.71%
10th Percentile £41.25 £35.40 £34.15
90th Percentile £63.75 £42.20 £42.78
East of England median hourly rate £62.50 £37.00 £36.98
% change year-on-year +68.92% +0.07% +2.71%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for process or methodology skills.

All Process and Methodology Skills
Essex
Contract vacancies with a requirement for process or methodology skills 541 698 844
As % of all contract IT jobs advertised in Essex 83.36% 87.14% 80.92%
Number of daily rates quoted 371 465 462
Essex median daily rate £500 £375 £400
Median daily rate % change year-on-year +33.33% -6.25% -
10th Percentile £300 £230 £250
90th Percentile £638 £540 £588
East of England median daily rate £425 £400 £410
% change year-on-year +6.25% -2.44% +2.50%
Number of hourly rates quoted 34 91 129
Essex median hourly rate £36.50 £35.00 £26.00
Median hourly rate % change year-on-year +4.29% +34.62% -13.33%
10th Percentile £15.75 £15.75 £15.00
90th Percentile £63.75 £43.75 £45.72
East of England median hourly rate £35.00 £33.00 £30.00
% change year-on-year +6.06% +10.00% +33.33%

TDD
Job Vacancy Trend in Essex

Job postings citing TDD as a percentage of all IT jobs advertised in Essex.

Job vacancy trend for TDD in Essex

TDD
Contractor Daily Rate Trend in Essex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Essex.

Contractor daily rate trend for TDD in Essex

TDD
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing TDD in Essex over the 6 months to 23 February 2018.

Contractor daily rate histogram for TDD in Essex

TDD
Contractor Hourly Rate Trend in Essex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Essex.

Contractor hourly rate trend for TDD in Essex

TDD
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing TDD in Essex over the 6 months to 23 February 2018.

Contractor hourly rate histogram for TDD in Essex

TDD
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Essex region over the 6 months to 23 February 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Southend-on-Sea 0 38 £523 +0.48% 1
Brentwood -1 15 £475 +79.25% 2
Basildon +14 10 £463 +96.81% 4
Witham - 2 £519 -
Harlow - 1 - - 2
TDD
East of England

For the 6 months to 23 February 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Essex region with a requirement for TDD.

1 140 (87.50%) Agile Software Development
2 87 (54.38%) Web Services
3 86 (53.75%) SOAP
3 86 (53.75%) SOA
4 84 (52.50%) XML
5 82 (51.25%) Java
6 80 (50.00%) Manufacturing
7 78 (48.75%) Middleware
8 76 (47.50%) Scrum
8 76 (47.50%) RESTful
9 73 (45.63%) JSON
10 72 (45.00%) Marketing
10 72 (45.00%) Greenfield Project
11 70 (43.75%) Finance
12 69 (43.13%) Digital Marketing
13 68 (42.50%) Electronics
13 68 (42.50%) Telecoms
13 68 (42.50%) Programme Management
13 68 (42.50%) Oracle
13 68 (42.50%) SAP
13 68 (42.50%) Business Intelligence
14 62 (38.75%) Continuous Integration
15 60 (37.50%) Maven
16 58 (36.25%) WSO2
17 56 (35.00%) Oracle SOA Suite
18 54 (33.75%) Jenkins
19 48 (30.00%) Kanban
20 47 (29.38%) Mule
21 46 (28.75%) XPath
21 46 (28.75%) Oracle Service Bus

TDD
Co-occurring IT Skills in Essex by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 56 (35.00%) Oracle SOA Suite
2 47 (29.38%) Mule
3 46 (28.75%) Oracle Service Bus
4 25 (15.63%) JBoss
5 14 (8.75%) Apache
6 12 (7.50%) WebLogic
7 8 (5.00%) WebSphere
8 6 (3.75%) Cloud Foundry
9 3 (1.88%) Adobe Experience Manager
9 3 (1.88%) WebSphere Application Server
10 2 (1.25%) CMS
10 2 (1.25%) Confluence
10 2 (1.25%) SharePoint
Applications
1 3 (1.88%) Microsoft Project
Cloud Services
1 11 (6.88%) Microsoft Azure
2 10 (6.25%) GitHub
3 9 (5.63%) Amazon AWS
4 2 (1.25%) PaaS
5 1 (0.63%) Google Analytics
5 1 (0.63%) IaaS
5 1 (0.63%) SaaS
Communications & Networking
1 29 (18.13%) HTTP
2 17 (10.63%) SSL
2 17 (10.63%) TCP/IP
3 3 (1.88%) Internet
Database & Business Intelligence
1 29 (18.13%) Relational Database
2 11 (6.88%) SQL Server
3 9 (5.63%) NoSQL
4 8 (5.00%) Geospatial Data
4 8 (5.00%) GIS
5 7 (4.38%) MySQL
5 7 (4.38%) RDBMS
6 4 (2.50%) JasperReports
7 3 (1.88%) MariaDB
8 1 (0.63%) MongoDB
8 1 (0.63%) SQLite
Development Applications
1 60 (37.50%) Maven
2 54 (33.75%) Jenkins
3 38 (23.75%) Git (software)
4 32 (20.00%) JUnit
5 31 (19.38%) SoapUI
6 22 (13.75%) Subversion
7 20 (12.50%) Selenium
8 17 (10.63%) Zephyr
9 16 (10.00%) Cucumber
10 12 (7.50%) JIRA
11 11 (6.88%) Gradle
12 9 (5.63%) JMeter
13 8 (5.00%) Ant
13 8 (5.00%) CruiseControl
13 8 (5.00%) FishEye
13 8 (5.00%) Hudson
13 8 (5.00%) TeamCity
14 7 (4.38%) Mockito
15 6 (3.75%) Bitbucket
15 6 (3.75%) Calabash
General
1 80 (50.00%) Manufacturing
2 72 (45.00%) Marketing
3 70 (43.75%) Finance
4 68 (42.50%) Electronics
4 68 (42.50%) Telecoms
5 3 (1.88%) Automotive
6 2 (1.25%) Legal
6 2 (1.25%) Publishing
7 1 (0.63%) Advertising
Job Titles
1 87 (54.38%) Developer
2 50 (31.25%) Integration Developer
3 37 (23.13%) Senior Developer
4 34 (21.25%) Agile Developer
5 30 (18.75%) SOA Developer
6 29 (18.13%) Java Developer
7 22 (13.75%) Senior Agile Developer
8 16 (10.00%) Lead Developer
9 15 (9.38%) Analyst
10 12 (7.50%) Architect
11 10 (6.25%) DevOps Engineer
11 10 (6.25%) Scrum Master
11 10 (6.25%) Tester
12 9 (5.63%) Senior Tester
13 8 (5.00%) Android Developer
13 8 (5.00%) Business Analyst
13 8 (5.00%) Technical Analyst
13 8 (5.00%) Technical Business Analyst
14 7 (4.38%) Agile Java Developer
14 7 (4.38%) SOA Analyst
Libraries, Frameworks & Software Standards
1 87 (54.38%) Web Services
2 86 (53.75%) SOAP
3 84 (52.50%) XML
4 78 (48.75%) Middleware
5 76 (47.50%) RESTful
6 73 (45.63%) JSON
7 46 (28.75%) XSLT
8 45 (28.13%) Swagger
8 45 (28.13%) WireMock
9 44 (27.50%) Apache Camel
10 26 (16.25%) REST
10 26 (16.25%) Spring
11 24 (15.00%) HTML
12 20 (12.50%) J2EE
13 18 (11.25%) CSS
14 12 (7.50%) AngularJS
14 12 (7.50%) Hibernate
14 12 (7.50%) JPA
14 12 (7.50%) WSDL
15 10 (6.25%) Core Animation
Miscellaneous
1 72 (45.00%) Greenfield Project
2 10 (6.25%) Animation
2 10 (6.25%) Enterprise Software
3 7 (4.38%) N-Tier
4 5 (3.13%) Mobile App
5 4 (2.50%) Analytical Skills
5 4 (2.50%) Foreign Exchange (FX)
5 4 (2.50%) iPhone
6 3 (1.88%) Client/Server
6 3 (1.88%) Computer Science
7 2 (1.25%) Virtual Team
8 1 (0.63%) Clustering
8 1 (0.63%) Reference Data
8 1 (0.63%) Replication
8 1 (0.63%) User Experience
Operating Systems
1 22 (13.75%) Linux
2 12 (7.50%) Unix
3 9 (5.63%) Android
3 9 (5.63%) Red Hat Enterprise Linux
4 8 (5.00%) Mac OS X
5 5 (3.13%) Apple iOS
5 5 (3.13%) Windows
6 4 (2.50%) Solaris
7 3 (1.88%) Windows 10
8 1 (0.63%) AIX
8 1 (0.63%) HPUX
Processes & Methodologies
1 140 (87.50%) Agile Software Development
2 86 (53.75%) SOA
3 76 (47.50%) Scrum
4 69 (43.13%) Digital Marketing
5 68 (42.50%) Business Intelligence
5 68 (42.50%) Programme Management
6 62 (38.75%) Continuous Integration
7 48 (30.00%) Kanban
8 32 (20.00%) DevOps
8 32 (20.00%) Test Automation
9 25 (15.63%) Configuration Management
9 25 (15.63%) Mentoring
10 23 (14.38%) Coaching
11 22 (13.75%) User Stories
12 21 (13.13%) MVC
13 20 (12.50%) BDD
13 20 (12.50%) Open Source
13 20 (12.50%) Test Management
14 19 (11.88%) API Design
14 19 (11.88%) Pair Programming
Programming Languages
1 82 (51.25%) Java
2 46 (28.75%) XPath
3 34 (21.25%) JavaScript
4 22 (13.75%) SQL
5 19 (11.88%) C
6 11 (6.88%) Groovy
7 8 (5.00%) PL/SQL
8 4 (2.50%) Apple Swift
8 4 (2.50%) C++
8 4 (2.50%) Objective-C
8 4 (2.50%) Perl
9 3 (1.88%) Bash Shell
9 3 (1.88%) C#
9 3 (1.88%) Shell Script
10 2 (1.25%) Python
10 2 (1.25%) Ruby
11 1 (0.63%) ES6
11 1 (0.63%) Kotlin
11 1 (0.63%) T-SQL
Qualifications
1 14 (8.75%) Security Cleared
2 10 (6.25%) ISEB
2 10 (6.25%) SC Cleared
3 5 (3.13%) ISEB Practitioner
Quality Assurance & Compliance
1 7 (4.38%) QA
System Software
1 12 (7.50%) Docker
2 9 (5.63%) Active Directory
Systems Management
1 16 (10.00%) Opscode Chef
1 16 (10.00%) Puppet
2 13 (8.13%) Ansible
3 10 (6.25%) HP ALM
4 1 (0.63%) Terraform
Vendors
1 68 (42.50%) Oracle
1 68 (42.50%) SAP
2 58 (36.25%) WSO2
3 11 (6.88%) HP
4 8 (5.00%) Atlassian
5 7 (4.38%) Adobe
6 5 (3.13%) Google
6 5 (3.13%) IBM
7 2 (1.25%) AppDynamics
7 2 (1.25%) CA
7 2 (1.25%) CA Agile Central
7 2 (1.25%) Microsoft
7 2 (1.25%) Talend
8 1 (0.63%) webMethods
8 1 (0.63%) Xamarin